Support software styling

When DALi fails to find font which support correct style,
apply software styling to glyph.

DALi will support bold / italic by software.

Change-Id: Icaacd70c3721fe0c1f56b7782f3a6510fc6bfb59
Signed-off-by: minho.sun <minho.sun@samsung.com>

diff --git a/automated-tests/src/dali-toolkit-internal/utc-Dali-Text-Shaping.cpp b/automated-tests/src/dali-toolkit-internal/utc-Dali-Text-Shaping.cpp
index e4464fd6a8189bde7b5781961c34a5cce2dea67b..0b7ca02afdbee4ac9fece6a43f51bfede2b81e1f 100644 (file)
--- a/automated-tests/src/dali-toolkit-internal/utc-Dali-Text-Shaping.cpp
+++ b/automated-tests/src/dali-toolkit-internal/utc-Dali-Text-Shaping.cpp
@@ -55,6 +55,8 @@ struct GlyphInfoData
   float yBearing;    ///< The distance from the baseline to the topmost border of the glyph
   float advance;     ///< The distance to move the cursor for this glyph
   float scaleFactor; ///< The scaling applied (fixed-size fonts only)
+  bool softwareItalic; ///< Whether glyph needs software support to draw italic style
+  bool softwareBold;   ///< Whether glyph needs software support to draw bold style
 };
 
 bool IsEqualGlyph ( const GlyphInfoData& glyphData, const GlyphInfo& glyph )
@@ -91,6 +93,14 @@ bool IsEqualGlyph ( const GlyphInfoData& glyphData, const GlyphInfo& glyph )
   {
     return false;
   }
+  if( glyphData.softwareItalic != glyph.softwareItalic )
+  {
+    return false;
+  }
+  if( glyphData.softwareBold != glyph.softwareBold )
+  {
+    return false;
+  }
 
   return true;
 }
@@ -107,6 +117,7 @@ struct ShapeInfoData
   Length*         charactersPerGlyph;                 ///< The characters per glyph.
   uint32_t        expectedNumberOfNewParagraphGlyphs; ///< The expected number of glyphs.
   GlyphIndex*     newParagraphGlyphs;                 ///< Indices to the new paragraphs glyphs.
+  Vector<FontDescriptionRun> fontDescriptions;        ///< Fonts which is used for text.
 };
 
 bool ShapeInfoTest( const ShapeInfoData& data )
@@ -122,7 +133,7 @@ bool ShapeInfoTest( const ShapeInfoData& data )
   const LayoutOptions options;
   CreateTextModel( data.text,
                    textArea,
-                   fontDescriptions,
+                   data.fontDescriptions,
                    options,
                    layoutSize,
                    logicalModel,
@@ -532,3 +543,151 @@ int UtcDaliTextShape(void)
   tet_result(TET_PASS);
   END_TEST;
 }
+
+int UtcDaliTextSoftwareStyling(void)
+{
+  tet_infoline(" UtcDaliTextSoftwareStyling");
+
+  struct GlyphInfoData glyphs01[] =
+  {
+    { 2u, 14750u, 0.f, 0.f, 0.f, 0.f, 16.f, 0.f, true, true },
+    { 2u, 9802u, 0.f, 0.f, 0.f, 0.f,  16.f, 0.f, true, true },
+    { 2u, 12811u, 0.f, 0.f, 0.f, 0.f,  16.f, 0.f, true, true },
+  };
+  struct GlyphInfoData glyphs02[] =
+  {
+    { 2u, 14750u, 0.f, 0.f, 0.f, 0.f, 16.f, 0.f, false, false },
+    { 2u, 9802u, 0.f, 0.f, 0.f, 0.f,  16.f, 0.f, false, true },
+    { 2u, 12811u, 0.f, 0.f, 0.f, 0.f,  16.f, 0.f, true, false },
+  };
+
+  CharacterIndex characterIndices[] = { 0u, 1u, 2u };
+  Length charactersPerGlyph[] = { 1u, 1u, 1u };
+
+  Vector<FontDescriptionRun> fontDescriptions01;
+  Vector<FontDescriptionRun> fontDescriptions02;
+
+  FontDescriptionRun fontDescriptionRun01 =
+  {
+    {
+      0u,
+      3u
+    },
+    NULL,
+    0u,
+    TextAbstraction::FontWeight::BOLD,
+    TextAbstraction::FontWidth::NONE,
+    TextAbstraction::FontSlant::ITALIC,
+    TextAbstraction::FontClient::DEFAULT_POINT_SIZE,
+    false,
+    true,
+    false,
+    true,
+    false
+  };
+  fontDescriptions01.PushBack(fontDescriptionRun01);
+
+  FontDescriptionRun fontDescriptionRun02 =
+  {
+    {
+      0u,
+      1u
+    },
+    NULL,
+    0u,
+    TextAbstraction::FontWeight::NONE,
+    TextAbstraction::FontWidth::NONE,
+    TextAbstraction::FontSlant::NONE,
+    TextAbstraction::FontClient::DEFAULT_POINT_SIZE,
+    false,
+    false,
+    false,
+    false,
+    false
+  };
+  FontDescriptionRun fontDescriptionRun03 =
+  {
+    {
+      1u,
+      1u
+    },
+    NULL,
+    0u,
+    TextAbstraction::FontWeight::BOLD,
+    TextAbstraction::FontWidth::NONE,
+    TextAbstraction::FontSlant::NONE,
+    TextAbstraction::FontClient::DEFAULT_POINT_SIZE,
+    false,
+    true,
+    false,
+    false,
+    false
+  };
+  FontDescriptionRun fontDescriptionRun04 =
+  {
+    {
+      2u,
+      1u
+    },
+    NULL,
+    0u,
+    TextAbstraction::FontWeight::NONE,
+    TextAbstraction::FontWidth::NONE,
+    TextAbstraction::FontSlant::ITALIC,
+    TextAbstraction::FontClient::DEFAULT_POINT_SIZE,
+    false,
+    false,
+    false,
+    true,
+    false
+  };
+
+  fontDescriptions02.PushBack(fontDescriptionRun02);
+  fontDescriptions02.PushBack(fontDescriptionRun03);
+  fontDescriptions02.PushBack(fontDescriptionRun04);
+
+
+  struct ShapeInfoData data[] =
+  {
+    {
+      "Chiness script. Characters have same font description",
+      "未取得",
+      0u,
+      3u,
+      3u,
+      glyphs01,
+      characterIndices,
+      charactersPerGlyph,
+      0u,
+      NULL,
+      fontDescriptions01
+    },
+    {
+      "Chiness script. Each character has different font description.",
+      "未取得",
+      0u,
+      3u,
+      3u,
+      glyphs02,
+      characterIndices,
+      charactersPerGlyph,
+      0u,
+      NULL,
+      fontDescriptions02
+    }
+  };
+
+  const unsigned int numberOfTests = 2u;
+
+  for( unsigned int index = 0u; index < numberOfTests; ++index )
+  {
+    ToolkitTestApplication application;
+    if( !ShapeInfoTest( data[index] ) )
+    {
+      tet_result(TET_FAIL);
+    }
+  }
+
+  tet_result(TET_PASS);
+  END_TEST;
+}
\ No newline at end of file

diff --git a/automated-tests/src/dali-toolkit/dali-toolkit-test-utils/toolkit-text-abstraction.cpp b/automated-tests/src/dali-toolkit/dali-toolkit-test-utils/toolkit-text-abstraction.cpp
index 5cc9401467e3eaea8a08400a1a50b9be283ed619..75312ef46cc26c7c81a3e6f127b63894e2cb25a2 100755 (executable)
--- a/automated-tests/src/dali-toolkit/dali-toolkit-test-utils/toolkit-text-abstraction.cpp
+++ b/automated-tests/src/dali-toolkit/dali-toolkit-test-utils/toolkit-text-abstraction.cpp
@@ -152,7 +152,7 @@ public:
   void GetFontMetrics( FontId fontId, FontMetrics& metrics ){}
   GlyphIndex GetGlyphIndex( FontId fontId, Character charcode ){return 0;}
   bool GetGlyphMetrics( GlyphInfo* array, uint32_t size, bool horizontal ){return true;}
-  void CreateBitmap( FontId fontId, GlyphIndex glyphIndex, Dali::TextAbstraction::FontClient::GlyphBufferData& data, int outlineWidth ){}
+  void CreateBitmap( FontId fontId, GlyphIndex glyphIndex, bool softwareItailc, bool softwareBold, Dali::TextAbstraction::FontClient::GlyphBufferData& data, int outlineWidth ){}
   PixelData CreateBitmap( FontId fontId, GlyphIndex glyphIndex, int outlineWidth ){return PixelData();}
   void CreateVectorBlob( FontId fontId, GlyphIndex glyphIndex, VectorBlob*& blob,
                          unsigned int& blobLength, unsigned int& nominalWidth, unsigned int& nominalHeight )
@@ -472,9 +472,9 @@ bool FontClient::GetGlyphMetrics( GlyphInfo* array, uint32_t size, GlyphType typ
   return GetImplementation(*this).GetGlyphMetrics( array, size, horizontal );
 }
 
-void FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, Dali::TextAbstraction::FontClient::GlyphBufferData& data, int outlineWidth )
+void FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, bool softwareItailc, bool softwareBold, Dali::TextAbstraction::FontClient::GlyphBufferData& data, int outlineWidth )
 {
-  GetImplementation(*this).CreateBitmap( fontId, glyphIndex, data, outlineWidth );
+  GetImplementation(*this).CreateBitmap( fontId, glyphIndex, softwareItailc, softwareBold, data, outlineWidth );
 }
 
 PixelData FontClient::CreateBitmap( FontId fontId, GlyphIndex glyphIndex, int outlineWidth )

diff --git a/automated-tests/src/dali-toolkit/utc-Dali-TextLabel.cpp b/automated-tests/src/dali-toolkit/utc-Dali-TextLabel.cpp
index d5019bdb7ed267976f9a5a5eae2322f2d49061fc..b134179c1f97da8b5acf83423060630c3478c2db 100644 (file)
--- a/automated-tests/src/dali-toolkit/utc-Dali-TextLabel.cpp
+++ b/automated-tests/src/dali-toolkit/utc-Dali-TextLabel.cpp
@@ -1319,4 +1319,4 @@ int UtcDaliToolkitTextlabelVerticalLineAlignment(void)
   DALI_TEST_EQUALS( label.GetProperty< int >( DevelTextLabel::Property::VERTICAL_LINE_ALIGNMENT ), static_cast< int >( Toolkit::DevelText::VerticalLineAlignment::BOTTOM ), TEST_LOCATION );
 
   END_TEST;
-}
+}
\ No newline at end of file

diff --git a/dali-toolkit/internal/text/font-run.h b/dali-toolkit/internal/text/font-run.h
index 6027ef710093544b5e53130618ef39f025efd38c..a787558b8113d5fb41096ef232a9be18527c9753 100644 (file)
--- a/dali-toolkit/internal/text/font-run.h
+++ b/dali-toolkit/internal/text/font-run.h
@@ -18,6 +18,9 @@
  *
  */
 
+// EXTERNAL INCLUDES
+#include <dali/devel-api/text-abstraction/font-list.h>
+
 // INTERNAL INCLUDES
 #include <dali-toolkit/internal/text/character-run.h>
 
@@ -35,8 +38,10 @@ namespace Text
  */
 struct FontRun
 {
-  CharacterRun characterRun; ///< The initial character index and the number of characters of the run.
-  FontId       fontId;       ///< Font id of the run.
+  CharacterRun characterRun;      ///< The initial character index and the number of characters of the run.
+  FontId       fontId;            ///< Font id of the run.
+  bool         softwareItalic:1;    ///< Whether font needs software support to draw italic style
+  bool         softwareBold:1;      ///< Whether font needs software support to draw bold style
 };
 
 } // namespace Text

diff --git a/dali-toolkit/internal/text/multi-language-support-impl.cpp b/dali-toolkit/internal/text/multi-language-support-impl.cpp
index 7570e041d5b154e821dd37e221cd3fcf0680c1c6..6ca96ad284b10a8ed37223829b2a95c2312762f4 100644 (file)
--- a/dali-toolkit/internal/text/multi-language-support-impl.cpp
+++ b/dali-toolkit/internal/text/multi-language-support-impl.cpp
@@ -440,12 +440,18 @@ void MultilanguageSupport::ValidateFonts( const Vector<Character>& text,
   FontId previousFontId = 0u;
   bool isPreviousEmojiScript = false;
 
+  // Description of fallback font which is selected at current iteration.
+  TextAbstraction::FontDescription selectedFontDescription;
+
   CharacterIndex lastCharacter = startIndex + numberOfCharacters;
   for( Length index = startIndex; index < lastCharacter; ++index )
   {
     // Get the current character.
     const Character character = *( textBuffer + index );
+    bool needSoftwareBoldening = false;
+    bool needSoftwareItalic = false;
 
+    // new description for current character
     TextAbstraction::FontDescription currentFontDescription;
     TextAbstraction::PointSize26Dot6 currentFontPointSize = defaultFontPointSize;
     bool isDefaultFont = true;
@@ -689,9 +695,22 @@ void MultilanguageSupport::ValidateFonts( const Vector<Character>& text,
     }
 #endif
 
+    if( fontId != currentFontRun.fontId )
+    {
+      fontClient.GetDescription(fontId,selectedFontDescription);
+    }
+
+    // Developer sets bold to character but selected font cannot support it
+    needSoftwareBoldening = ( currentFontDescription.weight >= TextAbstraction::FontWeight::BOLD ) && ( selectedFontDescription.weight < TextAbstraction::FontWeight::BOLD );
+
+    // Developer sets italic to character but selected font cannot support it
+    needSoftwareItalic = ( currentFontDescription.slant == TextAbstraction::FontSlant::ITALIC ) && ( selectedFontDescription.slant < TextAbstraction::FontSlant::ITALIC );
+
     // The font is now validated.
     if( ( fontId != currentFontRun.fontId ) ||
-        isNewParagraphCharacter )
+        isNewParagraphCharacter ||
+        // If font id is same as previous but style is diffrent, initialize new one
+        ( ( fontId == currentFontRun.fontId ) && ( ( needSoftwareBoldening != currentFontRun.softwareBold ) || ( needSoftwareItalic != currentFontRun.softwareItalic ) ) ) )
     {
       // Current run needs to be stored and a new one initialized.
 
@@ -706,6 +725,8 @@ void MultilanguageSupport::ValidateFonts( const Vector<Character>& text,
       currentFontRun.characterRun.characterIndex = currentFontRun.characterRun.characterIndex + currentFontRun.characterRun.numberOfCharacters;
       currentFontRun.characterRun.numberOfCharacters = 0u;
       currentFontRun.fontId = fontId;
+      currentFontRun.softwareItalic = needSoftwareItalic;
+      currentFontRun.softwareBold = needSoftwareBoldening;
     }
 
     // Add one more character to the run.

diff --git a/dali-toolkit/internal/text/rendering/atlas/text-atlas-renderer.cpp b/dali-toolkit/internal/text/rendering/atlas/text-atlas-renderer.cpp
index c6d1f80507f26493e5c0da8106039d1827e57ef3..2fa2c8b2d7c949e2e1eac6ffa25a78b42e0a29ef 100644 (file)
--- a/dali-toolkit/internal/text/rendering/atlas/text-atlas-renderer.cpp
+++ b/dali-toolkit/internal/text/rendering/atlas/text-atlas-renderer.cpp
@@ -257,6 +257,8 @@ struct AtlasRenderer::Impl
 
         mFontClient.CreateBitmap( glyph.fontId,
                                   glyph.index,
+                                  glyph.softwareItalic,
+                                  glyph.softwareBold,
                                   glyphBufferData,
                                   outline );
 

diff --git a/dali-toolkit/internal/text/rendering/text-typesetter.cpp b/dali-toolkit/internal/text/rendering/text-typesetter.cpp
index c5fa9326215ce7ae99cab091fb6fda309a60bf42..0e149d7af0bba8d1f739ffc2181fba3d0945e794 100755 (executable)
--- a/dali-toolkit/internal/text/rendering/text-typesetter.cpp
+++ b/dali-toolkit/internal/text/rendering/text-typesetter.cpp
@@ -672,6 +672,8 @@ Devel::PixelBuffer Typesetter::CreateImageBuffer( const unsigned int bufferWidth
       {
         fontClient.CreateBitmap( glyphInfo->fontId,
                                  glyphInfo->index,
+                                 glyphInfo->softwareItalic,
+                                 glyphInfo->softwareBold,
                                  glyphData.glyphBitmap,
                                  outlineWidth );
       }

diff --git a/dali-toolkit/internal/text/shaper.cpp b/dali-toolkit/internal/text/shaper.cpp
index cd0b1d7e09a403c82d9cc79f87a9157c911794f2..624c443b92d639fde01e6d0b72483f91cde8d563 100644 (file)
--- a/dali-toolkit/internal/text/shaper.cpp
+++ b/dali-toolkit/internal/text/shaper.cpp
@@ -137,6 +137,8 @@ void ShapeText( const Vector<Character>& text,
 
     currentFontId = fontRun.fontId;
     currentScript = scriptRun.script;
+    bool softwareItalic = fontRun.softwareItalic;
+    bool softwareBold = fontRun.softwareBold;
 
     // Get the min index to the last character of both runs.
     CharacterIndex currentIndex = min( fontRun.characterRun.characterIndex + fontRun.characterRun.numberOfCharacters,
@@ -170,7 +172,12 @@ void ShapeText( const Vector<Character>& text,
     // Retrieve the glyphs and the glyph to character conversion map.
     Vector<GlyphInfo> tmpGlyphs;
     Vector<CharacterIndex> tmpGlyphToCharacterMap;
-    tmpGlyphs.Resize( numberOfGlyphs );
+
+    GlyphInfo glyphInfo;
+    glyphInfo.softwareItalic = softwareItalic;
+    glyphInfo.softwareBold = softwareBold;
+
+    tmpGlyphs.Resize( numberOfGlyphs, glyphInfo );
     tmpGlyphToCharacterMap.Resize( numberOfGlyphs );
     shaping.GetGlyphs( tmpGlyphs.Begin(),
                        tmpGlyphToCharacterMap.Begin() );